Check your understanding of concepts from 17·8–17·11 Plant nutrition: plants obtain sunlight and usable chemical elements from the environment by answering the following questions.
1. Although ______ is one of the most abundant elements in the earth’s crust, it is not required by plants.
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2. Plants do not grow well in pure clay soils because:
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3. For a typical green plant to thrive, it needs:
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4. The most important nutrient in soil for plant health is probably:
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5. Which of the following is NOT true about nitrogen and plants?
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